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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3644 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 535 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1541 ∈ wcel 2113 {crab 3397 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-v 3440 |
| This theorem is referenced by: unimax 4898 fnelfp 7119 fnelnfp 7121 fnse 8073 fin23lem30 10250 isf32lem5 10265 negn0 11564 ublbneg 12844 supminf 12846 sadval 16381 smuval 16406 dvdslcm 16523 dvdslcmf 16556 isprm2lem 16606 isacs1i 17578 isinito 17918 istermo 17919 subgacs 19088 nsgacs 19089 odngen 19504 sdrgacs 20732 lssacs 20916 mretopd 23034 txkgen 23594 xkoco1cn 23599 xkoco2cn 23600 xkoinjcn 23629 ordthmeolem 23743 shft2rab 25463 sca2rab 25467 lhop1lem 25972 ftalem5 27041 vmasum 27181 eqscut2 27774 elmade 27839 israg 28718 ebtwntg 29004 eupth2lem3lem3 30254 eupth2lem3lem4 30255 eupth2lem3lem6 30257 cycpmco2lem1 33157 cycpmco2lem4 33160 cycpmco2 33164 ssdifidllem 33486 1arithufdlem2 33575 tgoldbachgt 34769 cvmliftmolem1 35424 neibastop3 36505 fdc 37885 pclvalN 40089 dvhb1dimN 41185 hdmaplkr 42112 aks4d1p8 42280 sticksstones1 42339 fsuppssind 42778 diophren 42997 islmodfg 43253 fsovcnvlem 44196 ntrneiel 44264 radcnvrat 44497 supminfxr 45650 stoweidlem34 46220 |
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